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What do IR-A, IR-B, and IR-C mean?

Infrared light is part of the electromagnetic spectrum and has longer wavelengths than visible light. It may play an important role in potential health benefits. Think of muscle pain or giving your energy a boost.

There are three types of IR light: IR-A, IR-B, and IR-C. But what do IR-A, IR-B, and IR-C mean? And which IR lamp should you choose? Read it here!

注意! This information is based on available scientific literature and general knowledge about light therapy and is not medical advice.

IR infrared light

What does IR-A mean?

Infrared radiation has short, medium, and long wavelengths. Another name for short-wave infrared radiation is IR-A. IR-A penetrates the skin more deeply than IR-B and IR-C. An IR-A Infrared lamp therefore also falls under therapeutic light. 

IR-A ranges from 700 to 1400 nm (nanometers). Short-wave infrared light is closest to visible light. As a result, it has a particularly effective therapeutic effect. It stimulates the mitochondria, leading to increased ATP production and an accelerated recovery process. 

View all infrared lamps

Applications of IR-A

IR-A contributes, among other things, to reducing muscle and joint pain and promoting wound healing. It supports cell renewal and may contribute to pain relief and reducing inflammation. In addition, it stimulates the production of collagen, blood circulation, and skin recovery, which is why it is often used for scars and wrinkles.

The closer the radiation is to visible light, the shorter the wavelengths and the more powerful the radiation.

What do IR-A, IR-B and IR-C mean?

What does IR-B mean?

IR-B is mid-wave infrared light. It is further away from visible light, which means that it has a less deep effect than IR-A. With a wavelength of 1400 to 3000 nm, mid-wave radiation penetrates into the upper dermis.

Applications of IR-B

IR-B is beneficial for blood circulation, perspiration and detoxifying the body, for example in the case of viruses.

What does IR-C mean?

IR-C is long-wave infrared light. With a wavelength of 3000 nm to 1 nm, it has the longest wavelengths of the three. It is completely absorbed by the upper layers of the skin. It has direct therapeutic effects on cells and tissues.

Types of IR light

Applications of IR-C

IR-C has a positive effect on relaxation, blood circulation and overall stress relief. For a cosmetic treatment or effective skin cleansing, an infrared lamp with IR-C is often sufficient, for example. The heat penetrates into the upper layers of the skin, which is enough to open the pores.

This makes it easier to remove dirt clogged in your pores. This radiation is beneficial for the skin, helps promote good blood circulation and increases perspiration. It is mainly used for relaxation and warmth.

Why is the right choice important?

It is important to know which type of Infrared light best suits your needs. This allows you to take full advantage of its benefits. An infrared lamp with IR-A is particularly known for its therapeutic effects. IR-B and IR-C mainly provide warmth and comfort.

Michael Tan

Michael Tan

Liroma founder

I help people and professionals apply red light therapy in practical ways through clear explanations and smart routines. In these blog posts, I share insights, protocols, and tips you can use right away.

Clinically substantiated

Scientifically substantiated

Red Light Therapy has been extensively studied in clinical trials and is used for pain reduction, skin improvement, recovery, and performance, among other applications. Discover the scientific evidence behind how it works.

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